/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.facebook.presto.plugin.jdbc;

import org.testng.annotations.Test;

import static org.testng.Assert.assertEquals;
import static org.testng.Assert.expectThrows;

public class TestDefaultTableLocationProvider
{
    @Test
    public void testValidConnectionUrl()
    {
        BaseJdbcConfig config = new BaseJdbcConfig();
        config.setConnectionUrl("jdbc:mysql://localhost:3306/test");

        DefaultTableLocationProvider provider = new DefaultTableLocationProvider(config);
        assertEquals(provider.getTableLocation(), "jdbc:mysql://localhost:3306/test");
    }

    @Test
    public void testNullBaseJdbcConfig()
    {
        NullPointerException exception = expectThrows(
                NullPointerException.class,
                () -> new DefaultTableLocationProvider(null));
        assertEquals(exception.getMessage(), "baseJdbcConfig is null");
    }

    @Test
    public void testNullConnectionUrl()
    {
        BaseJdbcConfig config = new BaseJdbcConfig();
        // connectionUrl is null by default

        NullPointerException exception = expectThrows(
                NullPointerException.class,
                () -> new DefaultTableLocationProvider(config));
        assertEquals(exception.getMessage(), "connection-url is null");
    }

    @Test
    public void testEmptyConnectionUrl()
    {
        BaseJdbcConfig config = new BaseJdbcConfig();
        config.setConnectionUrl("");

        DefaultTableLocationProvider provider = new DefaultTableLocationProvider(config);
        assertEquals(provider.getTableLocation(), "");
    }

    @Test
    public void testWhitespaceConnectionUrl()
    {
        BaseJdbcConfig config = new BaseJdbcConfig();
        config.setConnectionUrl("   ");

        DefaultTableLocationProvider provider = new DefaultTableLocationProvider(config);
        assertEquals(provider.getTableLocation(), "   ");
    }

    @Test
    public void testComplexConnectionUrl()
    {
        BaseJdbcConfig config = new BaseJdbcConfig();
        String complexUrl = "jdbc:mysql://user:password@host:3306/database?useSSL=true&serverTimezone=UTC";
        config.setConnectionUrl(complexUrl);

        DefaultTableLocationProvider provider = new DefaultTableLocationProvider(config);
        assertEquals(provider.getTableLocation(), complexUrl);
    }
}
